#include "lexer.h"
#include <iostream>
namespace Lexer
{
    std::istream* input;
    int g_i;
}

char Lexer::get_char()
{
    char ch;
    g_i = 100;
    input->get(ch);
    return ch;
}

void Lexer::foo()
{
    g_i = 200;
    char c;
    input->get(c);
    return;
}
